Mirador viewer

SyntaxError: Unexpected end of JSON input

{
  "manifest": {
    "error": "SyntaxError: Unexpected end of JSON input",
    "id": "https://manifests.collections.yale.edu/ycba/orb/4189248",
    "isFetching": false
  },
  "window": {
    "canvasId": null,
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-f8caf61c-bae6-4857-8adc-672d81291a9a",
      "cw-5dfa180d-6d91-417e-9be7-2126aa21b267"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-bedc918d-0788-4047-ac3a-07b44d80d0c5",
    "manifestId": "https://manifests.collections.yale.edu/ycba/orb/4189248",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-5dfa180d-6d91-417e-9be7-2126aa21b267"
  }
}